221 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2012-04-04 12:01:13
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222 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2012-05-30 16:06:55
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223 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-02-04 07:32:31
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224 | Add to Reading ListSource URL: www.deq.state.ok.usLanguage: English - Date: 2006-03-20 13:20:43
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225 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-07-21 07:10:39
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226 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1996-11-07 09:55:09
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227 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-01-31 09:55:01
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228 | Add to Reading ListSource URL: ec.europa.euLanguage: English - Date: 2014-06-24 09:05:51
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229 | Add to Reading ListSource URL: epa.govLanguage: English - Date: 2012-10-18 10:57:38
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230 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-11-29 09:13:22
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